- setup:
  cleanup:
  args:     0 1  1 0  2 2
  input:
  output:   0
- setup:
  cleanup:
  args:     1 1  -1 1  0 -3
  input:
  output:   1
- setup:
  cleanup:
  args:     0 1  2 0  -6 0
  input:
  output:   1